[jQuery+php]input=textをjsで動的に増減させてその内容をphpで処理する

<script src="http://code.jquery.com/jquery-1.11.3.min.js"></script>
<script src="scripts.js"></script>

<form action="check.php" method="post" accept-charset="utf-8">
<ul class="addInput">
 	<li><input type="email" name="email[]" /></li>
 	<li><input type="email" name="email[]" /></li>
</ul>
<ul class="buttonset">
 	<li><span class="add">ADD</span></li>
 	<li><span class="remove">REMOVE<strong></strong></span></li>
</ul>
<input type="submit">

$(function(){
    //「ADD」を押したら増やす
    $('.add').click(function(){
        $('.addInput').append('<li><input type="email" name="email[]"></li>');
    });
    //「REMOVE」を押したら減らす
    $('.remove').click(function(){
        $('.addInput li:last-child').remove();
    });
});

<?php
mb_language('ja');
mb_internal_encoding('UTF-8');
//変数にする
$email = $_POST["email"];
//配列内に空欄があったら削る
$email = array_filter($email,"strlen");
//添字を振り直す
$email = array_values($email);
?>

//書き出し例
<ul>
<?php foreach($email as $emailvalue){ echo '<li>''<input type="hidden" name="email[i]" value="'.$emailvalue.'"></li>'; } ?>
</ul>